Plant Life Cycles and Alternation of Generations

False (B)

Flower

<p>Pollination</p> Signup and view all the answers

<p>Anther = Produces pollen Ovary = Contains ovules Stigma = Receives pollen Filament = Supports the anther Style = Connects stigma to ovary</p> Signup and view all the answers

<p>Angiosperms have seeds enclosed in an ovary, while gymnosperms do not. (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Light and Water</p> Signup and view all the answers

<p>Gametophyte</p> Signup and view all the answers

<p>To increase the chances of successful germination. (B)</p> Signup and view all the answers

<p>Thorns on stems (C)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Seed dispersal helps plants avoid competition with their parent plant for resources like sunlight and nutrients, increasing their chances of survival and spreading to new areas.</p> Signup and view all the answers

<p>pollination</p> Signup and view all the answers

<p>Wind dispersal = Coconut Water dispersal = Dandelion Animal dispersal = Burdock Mechanical dispersal = Exploding fruit pods of a pea plant</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Presence of predators (B)</p> Signup and view all the answers

<p>Wind-pollinated plants often have small, inconspicuous flowers with abundant pollen that is easily dispersed by the wind. Insect-pollinated plants, on the other hand, typically have brightly colored, fragrant flowers that attract insects with nectar or pollen as rewards.</p> Signup and view all the answers

<p>exposed</p> Signup and view all the answers

<p>Asexual reproduction (C)</p> Signup and view all the answers

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Evolved traits allowing survival and reproduction in varying environments.

Plants with enclosed seeds located in an ovary.

Plants whose seeds are exposed, lacking an ovary.

A method where plants rely on wind to transfer pollen.

Plants evolve bright colors or fragrances to lure pollinators.

Mechanisms by which plants spread their seeds to avoid competition.

Reproduction using a single parent, producing identical offspring.

Variations in genetic makeup important for species survival.

Different methods plants use to ensure fertilization and reproduction.

Wind, water, or animals that help move seeds away from parent plants.

The series of stages plants go through from germination to seed dispersal.

The process by which a seed develops into a new plant.

Plant life cycle that alternates between haploid gametophyte and diploid sporophyte stages.

The haploid stage that produces gametes through mitosis.

The diploid stage that produces spores through meiosis.

Composed of stamen (male) and carpel (female) for reproduction.

The transfer of pollen from anther to stigma for fertilization.

Environmental factors like light and water that influence plant development.